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s344n2d4d5 [400]
3 years ago
15

How to you reflect a point over the line y=x

Mathematics
1 answer:
Goshia [24]3 years ago
5 0
Draw the line y=x.  It has a slope of 1 and a y-intercept of 0.

Plot the given point (assuming that it's NOT on this line).

Draw a line perpendicular to y=x that passes thru the given point.  This perpendicular line will be y = -x.

How far is the original point from the line y=x?  The reflection of this point across the line y=x is the same distance from the line y=x, but on the opposite side of the line y = x.
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Can u help me with my work don’t send a link !!
Vlad [161]

Answer:

$503.35

Step-by-step explanation:

you just have to plug in the value of each variable into the equation

i hope this helps :)

7 0
3 years ago
What is the simplified form of the following expression? <br><br> ^3sqrt(4x/5)
Vladimir [108]

Answer:

= (∛(100x))/5

Step-by-step explanation:

Given the expression; ∛(4x/5)

To simplify this we need to make denominator a perfect cube.

So multiply and divide 25 inside the cube root, so that the denominator will become a perfect cube of 5.

∛(4x/5) = ∛((4x/5)×(25/25))

            = ∛(100x/125)

            = ∛(100x/5³)

            <u>= (∛100x)/5</u>

7 0
4 years ago
Please help me due soon
alexira [117]
He bought 20 pounds of pet food
4 0
3 years ago
2. Write a quadratic function that has -intercepts (- 3, 0) and (4, 0) and passes through the point (5, 8)
Reptile [31]

Answer:

f(x)=x^2-x-12

Step-by-step explanation:

<u>Quadratic Function</u>

Standard Form of Quadratic Function

The standard representation of a quadratic function is:

f(x)=ax^2+bx+c

where a,b, and c are constants.

When the zeros of f (x1 and x2) are given, it can be written as:

f(x)=a(x-x1)(x-x2)

Where a is a constant called the leading coefficient.

We are given the two roots of f: x1=-3 and x2=4, thus:

f(x)=a(x+3)(x-4)

We also know that f(5)=8, thus:

f(5)=a(5+3)(5-4)=8

Operating:

a(8)(1)=8

Solving:

a=1

The function is:

f(x)=1(x+3)(x-4)

Operating:

\boxed{f(x)=x^2-x-12}

5 0
3 years ago
130% of what number is 20.8
Gemiola [76]

Answer 16

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
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